Putter head



FIG. 1 is a top back heel side perspective view of my new design for a putter head;

FIG. 2 is a back view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a heel side view thereof;

FIG. 6 is a toe side view thereof; and,

FIG. 7 is a front view thereof.

The portions of the club head shown in phantom are for illustrative purposes only and do not form any portion of the claimed design. 

The ornamental design for a putter head, as shown and described. 